package com.bjc.educenter.mapper;

import com.bjc.educenter.entity.UcenterMember;
import com.baomidou.mybatisplus.core.mapper.BaseMapper;
import io.lettuce.core.dynamic.annotation.Param;

/**
 * <p>
 * 会员表 Mapper 接口
 * </p>
 *
 * @author bjc
 * @since 2020-10-24
 */
public interface UcenterMemberMapper extends BaseMapper<UcenterMember> {

    /**
     * 查询某一天注册人数
     */
    Integer countRegister(@Param("day") String day);
}
